MeiraGTx (MGTX) CDO reports 75,000 RSUs vested and tax withholding

Rhea-AI Filing Summary

MeiraGTx Holdings plc Chief Development Officer Stuart Naylor reported equity compensation activity on January 17, 2026. One-half of a prior grant of restricted share units vested, converting 75,000 restricted share units into 75,000 ordinary shares at an exercise price of $0. To cover taxes due upon vesting, 35,250 ordinary shares were withheld at a value of $7.42 per share. After these transactions, Naylor directly owned 682,916 ordinary shares of MeiraGTx and continued to hold 75,000 restricted share units that remain outstanding.

Insider Trade Summary

75,000 shares exercised/converted

Mixed 3 txns

Insider Naylor Stuart

Role CHIEF DEV. OFFICER

Type	Security	Shares	Price	Value
Exercise	Restricted Share Units	75,000	$0.00	--
Exercise	Ordinary Shares	75,000	$0.00	--
Tax Withholding	Ordinary Shares	35,250	$7.42	$262K

Holdings After Transaction: Restricted Share Units — 75,000 shares (Direct); Ordinary Shares — 718,166 shares (Direct)

Footnotes (1)

1. Represents vesting of one-half of restricted share units granted on January 17, 2024. Each restricted share unit converts into one ordinary share upon vesting. Shares withheld for payment of taxes upon vesting of award.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 01/21/2026 - 09:15 PM Learn about SEC filing dates

FAQ

What insider transaction did MeiraGTx (MGTX) report for Stuart Naylor?

MeiraGTx reported that Chief Development Officer Stuart Naylor had 75,000 restricted share units vest on January 17, 2026, converting into 75,000 ordinary shares, with a portion of those shares withheld to pay taxes.

How many MeiraGTx shares vested for Stuart Naylor and from which award?

75,000 restricted share units vested for Stuart Naylor, representing one-half of a restricted share unit grant originally made on January 17, 2024. Each unit converts into one ordinary share upon vesting.

How many MeiraGTx (MGTX) shares were withheld for taxes in this Form 4?

The filing shows that 35,250 ordinary shares were withheld to pay taxes due upon vesting of the restricted share unit award, using a share value of $7.42 per share.

What is Stuart Naylor’s MeiraGTx share ownership after the reported transactions?

Following the reported transactions, Stuart Naylor directly owned 682,916 ordinary shares of MeiraGTx and held 75,000 restricted share units as of the Form 4.

Does the MeiraGTx Form 4 show any open-market sale by Stuart Naylor?

The Form 4 shows shares coded as F, which the explanation states are shares withheld for payment of taxes upon vesting of the award, rather than an open-market sale order.

What position does Stuart Naylor hold at MeiraGTx (MGTX)?

According to the filing, Stuart Naylor is an officer of MeiraGTx Holdings plc, serving as the company’s Chief Development Officer.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Naylor Stuart

(Last) (First) (Middle)

655 THIRD AVENUE

SUITE 1115

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MeiraGTx Holdings plc [ MGTX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF DEV. OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
01/17/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	01/17/2026		M		75,000(1)	A	(2)	718,166	D
Ordinary Shares	01/17/2026		F		35,250(3)	D	$7.42	682,916	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Units	(2)	01/17/2026		M			75,000	(1)	(1)	Ordinary Shares	75,000	$0	75,000	D

Explanation of Responses:

1. Represents vesting of one-half of restricted share units granted on January 17, 2024.

2. Each restricted share unit converts into one ordinary share upon vesting.

3. Shares withheld for payment of taxes upon vesting of award.

	/s/ Richard Giroux, Attorney-in-fact for Stuart Naylor	01/21/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.